@article{exploringell0sparsificationforinference,
  title = {Exploring $\ell_0$ Sparsification for Inference-free Sparse Retrievers},
  author = {Xinjie Shen and Zhichao Geng and Yang Yang},
  year = {2025},
  eprint = {2504.14839},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.14839v1},
}